import java.util.Scanner;

public class SwitchDemo11 {
    public static void main(String[] args) {


        char c1 = 48;// 0
        char c4 = '0';// 字符0
        switch (c1) {
            case '0':
                System.out.println("0");
                break;

        }

        switch (c4) {
            case 48:
                System.out.println("0");
                break;
        }


        char c2 = 65;// A
        char c3 = 97;// a


    }

}
